Square roots and calculating with letters (basics)
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La durée de la leçon est: 20 minÉléments de cette leçon
Slide 1 - Diapositive
(−5)2−√49=
A
-18
B
-32
C
32
D
18
Slide 2 - Quiz
Only type in the answer.
−32+√(20+5)=
Slide 3 - Question ouverte
21√100=
Slide 4 - Question ouverte
Formula:
Calculate y for
Calculate y for
y=3x2
x=4
Slide 5 - Question ouverte
Formula:
Calculate y for
Calculate y for
y=31x2
x=−9
Slide 6 - Question ouverte
If 2 apples + 3 apples = 5 apples,
what is then: 2a + 3a?
what is then: 2a + 3a?
A
a
B
6a
C
5a
D
5a2
Slide 7 - Quiz
5c + 10c = ....
Slide 8 - Question ouverte
If
What is then:
What is then:
5+5+5=3⋅5
a+a+a+a=
Slide 9 - Question ouverte
If
What is then:
(for 'squared' type in ....^2)
What is then:
(for 'squared' type in ....^2)
4⋅4=42
w⋅w=
Last question!
